TSTP Solution File: SWC121+1 by Drodi---3.6.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.6.0
% Problem  : SWC121+1 : TPTP v8.1.2. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n013.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Tue Apr 30 20:44:36 EDT 2024

% Result   : Theorem 0.13s 0.37s
% Output   : CNFRefutation 0.13s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :   12
% Syntax   : Number of formulae    :   56 (   6 unt;   0 def)
%            Number of atoms       :  174 (  19 equ)
%            Maximal formula atoms :   13 (   3 avg)
%            Number of connectives :  182 (  64   ~;  63   |;  35   &)
%                                         (   9 <=>;  11  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   17 (   4 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :   13 (  11 usr;   8 prp; 0-4 aty)
%            Number of functors    :    5 (   5 usr;   5 con; 0-0 aty)
%            Number of variables   :   43 (  35   !;   8   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f17,axiom,
    ssList(nil),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f57,axiom,
    ! [U] :
      ( ssList(U)
     => segmentP(U,nil) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f58,axiom,
    ! [U] :
      ( ssList(U)
     => ( segmentP(nil,U)
      <=> nil = U ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f96,conjecture,
    ! [U] :
      ( ssList(U)
     => ! [V] :
          ( ssList(V)
         => ! [W] :
              ( ssList(W)
             => ! [X] :
                  ( ssList(X)
                 => ( V != X
                    | U != W
                    | ( ( ~ neq(V,nil)
                        | ~ neq(W,nil)
                        | ~ segmentP(X,W)
                        | ( neq(U,nil)
                          & segmentP(V,U) ) )
                      & ( ~ neq(V,nil)
                        | neq(X,nil) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f97,negated_conjecture,
    ~ ! [U] :
        ( ssList(U)
       => ! [V] :
            ( ssList(V)
           => ! [W] :
                ( ssList(W)
               => ! [X] :
                    ( ssList(X)
                   => ( V != X
                      | U != W
                      | ( ( ~ neq(V,nil)
                          | ~ neq(W,nil)
                          | ~ segmentP(X,W)
                          | ( neq(U,nil)
                            & segmentP(V,U) ) )
                        & ( ~ neq(V,nil)
                          | neq(X,nil) ) ) ) ) ) ) ),
    inference(negated_conjecture,[status(cth)],[f96]) ).

fof(f223,plain,
    ssList(nil),
    inference(cnf_transformation,[status(esa)],[f17]) ).

fof(f322,plain,
    ! [U] :
      ( ~ ssList(U)
      | segmentP(U,nil) ),
    inference(pre_NNF_transformation,[status(esa)],[f57]) ).

fof(f323,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | segmentP(X0,nil) ),
    inference(cnf_transformation,[status(esa)],[f322]) ).

fof(f324,plain,
    ! [U] :
      ( ~ ssList(U)
      | ( segmentP(nil,U)
      <=> nil = U ) ),
    inference(pre_NNF_transformation,[status(esa)],[f58]) ).

fof(f325,plain,
    ! [U] :
      ( ~ ssList(U)
      | ( ( ~ segmentP(nil,U)
          | nil = U )
        & ( segmentP(nil,U)
          | nil != U ) ) ),
    inference(NNF_transformation,[status(esa)],[f324]) ).

fof(f326,plain,
    ! [X0] :
      ( ~ ssList(X0)
      | ~ segmentP(nil,X0)
      | nil = X0 ),
    inference(cnf_transformation,[status(esa)],[f325]) ).

fof(f415,plain,
    ? [U] :
      ( ssList(U)
      & ? [V] :
          ( ssList(V)
          & ? [W] :
              ( ssList(W)
              & ? [X] :
                  ( ssList(X)
                  & V = X
                  & U = W
                  & ( ( neq(V,nil)
                      & neq(W,nil)
                      & segmentP(X,W)
                      & ( ~ neq(U,nil)
                        | ~ segmentP(V,U) ) )
                    | ( neq(V,nil)
                      & ~ neq(X,nil) ) ) ) ) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f97]) ).

fof(f416,plain,
    ! [U,V,W,X] :
      ( pd0_0(X,W,V,U)
     => ( neq(V,nil)
        & neq(W,nil)
        & segmentP(X,W)
        & ( ~ neq(U,nil)
          | ~ segmentP(V,U) ) ) ),
    introduced(predicate_definition,[f415]) ).

fof(f417,plain,
    ? [U] :
      ( ssList(U)
      & ? [V] :
          ( ssList(V)
          & ? [W] :
              ( ssList(W)
              & ? [X] :
                  ( ssList(X)
                  & V = X
                  & U = W
                  & ( pd0_0(X,W,V,U)
                    | ( neq(V,nil)
                      & ~ neq(X,nil) ) ) ) ) ) ),
    inference(formula_renaming,[status(thm)],[f415,f416]) ).

fof(f418,plain,
    ( ssList(sk0_47)
    & ssList(sk0_48)
    & ssList(sk0_49)
    & ssList(sk0_50)
    & sk0_48 = sk0_50
    & sk0_47 = sk0_49
    & ( pd0_0(sk0_50,sk0_49,sk0_48,sk0_47)
      | ( neq(sk0_48,nil)
        & ~ neq(sk0_50,nil) ) ) ),
    inference(skolemization,[status(esa)],[f417]) ).

fof(f423,plain,
    sk0_48 = sk0_50,
    inference(cnf_transformation,[status(esa)],[f418]) ).

fof(f424,plain,
    sk0_47 = sk0_49,
    inference(cnf_transformation,[status(esa)],[f418]) ).

fof(f425,plain,
    ( pd0_0(sk0_50,sk0_49,sk0_48,sk0_47)
    | neq(sk0_48,nil) ),
    inference(cnf_transformation,[status(esa)],[f418]) ).

fof(f426,plain,
    ( pd0_0(sk0_50,sk0_49,sk0_48,sk0_47)
    | ~ neq(sk0_50,nil) ),
    inference(cnf_transformation,[status(esa)],[f418]) ).

fof(f427,plain,
    ! [U,V,W,X] :
      ( ~ pd0_0(X,W,V,U)
      | ( neq(V,nil)
        & neq(W,nil)
        & segmentP(X,W)
        & ( ~ neq(U,nil)
          | ~ segmentP(V,U) ) ) ),
    inference(pre_NNF_transformation,[status(esa)],[f416]) ).

fof(f429,plain,
    ! [X0,X1,X2,X3] :
      ( ~ pd0_0(X0,X1,X2,X3)
      | neq(X1,nil) ),
    inference(cnf_transformation,[status(esa)],[f427]) ).

fof(f430,plain,
    ! [X0,X1,X2,X3] :
      ( ~ pd0_0(X0,X1,X2,X3)
      | segmentP(X0,X1) ),
    inference(cnf_transformation,[status(esa)],[f427]) ).

fof(f431,plain,
    ! [X0,X1,X2,X3] :
      ( ~ pd0_0(X0,X1,X2,X3)
      | ~ neq(X3,nil)
      | ~ segmentP(X2,X3) ),
    inference(cnf_transformation,[status(esa)],[f427]) ).

fof(f432,plain,
    ( spl0_0
  <=> pd0_0(sk0_50,sk0_49,sk0_48,sk0_47) ),
    introduced(split_symbol_definition) ).

fof(f433,plain,
    ( pd0_0(sk0_50,sk0_49,sk0_48,sk0_47)
    | ~ spl0_0 ),
    inference(component_clause,[status(thm)],[f432]) ).

fof(f435,plain,
    ( spl0_1
  <=> neq(sk0_48,nil) ),
    introduced(split_symbol_definition) ).

fof(f436,plain,
    ( neq(sk0_48,nil)
    | ~ spl0_1 ),
    inference(component_clause,[status(thm)],[f435]) ).

fof(f438,plain,
    ( spl0_0
    | spl0_1 ),
    inference(split_clause,[status(thm)],[f425,f432,f435]) ).

fof(f439,plain,
    ( spl0_2
  <=> neq(sk0_50,nil) ),
    introduced(split_symbol_definition) ).

fof(f441,plain,
    ( ~ neq(sk0_50,nil)
    | spl0_2 ),
    inference(component_clause,[status(thm)],[f439]) ).

fof(f442,plain,
    ( spl0_0
    | ~ spl0_2 ),
    inference(split_clause,[status(thm)],[f426,f432,f439]) ).

fof(f475,plain,
    ( spl0_3
  <=> ssList(nil) ),
    introduced(split_symbol_definition) ).

fof(f477,plain,
    ( ~ ssList(nil)
    | spl0_3 ),
    inference(component_clause,[status(thm)],[f475]) ).

fof(f478,plain,
    ( spl0_4
  <=> nil = nil ),
    introduced(split_symbol_definition) ).

fof(f481,plain,
    ( ~ ssList(nil)
    | nil = nil
    | ~ ssList(nil) ),
    inference(resolution,[status(thm)],[f326,f323]) ).

fof(f482,plain,
    ( ~ spl0_3
    | spl0_4 ),
    inference(split_clause,[status(thm)],[f481,f475,f478]) ).

fof(f485,plain,
    ( $false
    | spl0_3 ),
    inference(forward_subsumption_resolution,[status(thm)],[f477,f223]) ).

fof(f486,plain,
    spl0_3,
    inference(contradiction_clause,[status(thm)],[f485]) ).

fof(f491,plain,
    ( ~ neq(sk0_48,nil)
    | spl0_2 ),
    inference(forward_demodulation,[status(thm)],[f423,f441]) ).

fof(f492,plain,
    ( pd0_0(sk0_48,sk0_49,sk0_48,sk0_47)
    | ~ spl0_0 ),
    inference(forward_demodulation,[status(thm)],[f423,f433]) ).

fof(f493,plain,
    ( pd0_0(sk0_48,sk0_47,sk0_48,sk0_47)
    | ~ spl0_0 ),
    inference(forward_demodulation,[status(thm)],[f424,f492]) ).

fof(f494,plain,
    ( neq(sk0_47,nil)
    | ~ spl0_0 ),
    inference(resolution,[status(thm)],[f493,f429]) ).

fof(f498,plain,
    ( $false
    | spl0_2
    | ~ spl0_1 ),
    inference(forward_subsumption_resolution,[status(thm)],[f436,f491]) ).

fof(f499,plain,
    ( spl0_2
    | ~ spl0_1 ),
    inference(contradiction_clause,[status(thm)],[f498]) ).

fof(f501,plain,
    ( segmentP(sk0_48,sk0_47)
    | ~ spl0_0 ),
    inference(resolution,[status(thm)],[f493,f430]) ).

fof(f505,plain,
    ( spl0_5
  <=> neq(sk0_47,nil) ),
    introduced(split_symbol_definition) ).

fof(f507,plain,
    ( ~ neq(sk0_47,nil)
    | spl0_5 ),
    inference(component_clause,[status(thm)],[f505]) ).

fof(f508,plain,
    ( spl0_6
  <=> segmentP(sk0_48,sk0_47) ),
    introduced(split_symbol_definition) ).

fof(f510,plain,
    ( ~ segmentP(sk0_48,sk0_47)
    | spl0_6 ),
    inference(component_clause,[status(thm)],[f508]) ).

fof(f511,plain,
    ( ~ neq(sk0_47,nil)
    | ~ segmentP(sk0_48,sk0_47)
    | ~ spl0_0 ),
    inference(resolution,[status(thm)],[f431,f493]) ).

fof(f512,plain,
    ( ~ spl0_5
    | ~ spl0_6
    | ~ spl0_0 ),
    inference(split_clause,[status(thm)],[f511,f505,f508,f432]) ).

fof(f513,plain,
    ( $false
    | ~ spl0_0
    | spl0_5 ),
    inference(forward_subsumption_resolution,[status(thm)],[f507,f494]) ).

fof(f514,plain,
    ( ~ spl0_0
    | spl0_5 ),
    inference(contradiction_clause,[status(thm)],[f513]) ).

fof(f515,plain,
    ( $false
    | ~ spl0_0
    | spl0_6 ),
    inference(forward_subsumption_resolution,[status(thm)],[f510,f501]) ).

fof(f516,plain,
    ( ~ spl0_0
    | spl0_6 ),
    inference(contradiction_clause,[status(thm)],[f515]) ).

fof(f517,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f438,f442,f482,f486,f499,f512,f514,f516]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13  % Problem  : SWC121+1 : TPTP v8.1.2. Released v2.4.0.
% 0.07/0.13  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.13/0.34  % Computer : n013.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 300
% 0.13/0.34  % DateTime : Mon Apr 29 23:59:34 EDT 2024
% 0.13/0.34  % CPUTime  : 
% 0.13/0.36  % Drodi V3.6.0
% 0.13/0.37  % Refutation found
% 0.13/0.37  % SZS status Theorem for theBenchmark: Theorem is valid
% 0.13/0.37  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 0.13/0.38  % Elapsed time: 0.028510 seconds
% 0.13/0.38  % CPU time: 0.040461 seconds
% 0.13/0.38  % Total memory used: 14.595 MB
% 0.13/0.38  % Net memory used: 14.573 MB
%------------------------------------------------------------------------------